M 1 2 4 0 July 8, 2019 16 32 64 128 M 1 4 2 0 clothing M 0 2 n =- 1 4 X2 2 m 1 x 2m 4 0 M 1 4 2 0 brand M 1 x 2 2mx m 4 0 M 4 2m 2 1 0 3x 2 m 1 x 4 0 X2 2 m 1 x 4 0 X 2 m 1 x 4 0 X2 2 m 1 x m2 4 0 X2 2 m 1 x 6m 4 0 3x2 2 m 1 x m 4 0 Mx2 2 m 1 x m 4 0 Invers dari matriks m 2 4 0 1 adalah Solve m 4 2m 2 1 0
